Vt. Stat. Ann. tit. 13, § 3257

(1) A correctional employee, contractor, or other person providing services to offenders on behalf of the Department of Corrections or pursuant to a court order or in accordance with a condition of parole, probation, supervised community sentence, or furlough shall not engage in a sexual act with: a person who the employee, contractor, or other person providing services knows is confined to a correctional facility; or

(2) any offender being supervised by the Department of Corrections while on parole, probation, supervised community sentence, or furlough, where the employee, contractor, or other service provider knows or reasonably should have known that the offender is being supervised by the Department, unless the offender and the employee, contractor, or person providing services were married, parties to a civil union, or engaged in a consensual sexual relationship at the time of sentencing for the offense for which the offender is being supervised by the Department.